gatorsmile commented on a change in pull request #24391: 
[SPARK-27402][SQL][test-hadoop3.2][test-maven]  Fix hadoop-3.2 test 
issue(except the hive-thriftserver module)
URL: https://github.com/apache/spark/pull/24391#discussion_r281354666
 
 

 ##########
 File path: docs/sql-migration-guide-upgrade.md
 ##########
 @@ -24,6 +24,22 @@ license: |
 
 ## Upgrading From Spark SQL 2.4 to 3.0
 
+  - Since Spark 3.0, we upgraded the built-in Hive to 2.3 for hadoop-3.x. This 
upgrade fixes some Hive issues:
 
 Review comment:
   >  for hadoop-3.x
   when enabling the Hadoop 3.2+ profile. 

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